| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve security of job data stored in a bulk storage inside a job processing device such as an image forming apparatus. <P>SOLUTION: When storing job data required for executing a job, a CPU 10 encrypts the job data, then stores a portion 42 in a RAM 14 and stores the remaining storage file 40 in an HDD 16. When the job ends, the portion 42 of the job data of the job in the RAM 14 is erased. Furthermore, when the portion 42 of the job data in the RAM 14 is completely erased, execution of another job is permitted. <P>COPYRIGHT: (C)2010,JPO&INPIT |
